The S1D/1 is a diode rectifier that is manufactured by Vishay General Semiconductor - Diodes Division. This component has a win source part number of 1281945 and comes in a bulk package. It is an SMD (SMT) mounting type of diode with a standard recovery speed of >500ns and a current average rectified (Io) of 1A. The voltage rating of the S1D/1 is 200V, with a forward voltage (Vf) of 1.1V at 1A. The reverse recovery time (trr) of this diode is 1.8μs, and the current reverse leakage @ Vr is 1μA @ 200V. The S1D/1 has a capacitance of 12pF @ 4V, 1MHz.